Specifications

App - 6 App - 6
APPENDICES
(4) FRAM type (8kbytes): V680S-D8KF
(a) With 10 processed bytes, remote net Ver.1 mode, 10-Mbps transmission speed, 1
connected station (last station number: 2, number of occupied stations: 2),
communication error station, no retries, no block guarantee, and asynchronous
FRAM type ID tag (memory capacity: 8kbytes) processing time (Example 1)
Communication
Speed Setting
Command
Number of
Processed
Bytes
Processing Time (ms)
T: Sequence Scan Time +
Link Refresh Time
Standard
mode
Read
10
68 + 2 × T
Write (with verify) 158 + 2 × T
Write (without verify) 125 + 2 × T
High-speed
mode
*1
Read 68 + 2 × T
Write (with verify) 158 + 2 × T
Write (without verify) 125 + 2 × T
*1. When the V680S-D8KF□□ ID tag is used, the communication time does not
differ from the standard mode time, even if high-speed mode is selected.
(b) With 122 processed bytes, remote net Ver.2 mode, 10-Mbps transmission
speed, 1 connected station (last station number: 2, number of occupied
stations: 2, octuple setting), communication error station, no retries, no block
guarantee, and asynchronous
FRAM type ID tag (memory capacity: 8kbytes) processing time (Example 2)
Communication
Speed Setting
Command
Number of
Processed
Bytes
Processing Time (ms)
T: Sequence Scan Time +
Link Refresh Time
Standard
mode
Read
122
236 + 2 × T
Write (with verify) 393 + 2 × T
Write (without verify) 293 + 2 × T
High-speed
mode
*1
Read 236 + 2 × T
Write (with verify) 393 + 2 × T
Write (without verify) 293 + 2 × T
*1. When the V680S-D8KF□□ ID tag is used, the communication time does not
differ from the standard mode time, even if high-speed mode is selected.